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4 Rev A S3970RT, S3370RT, &
S2770RT – 1441817
Maintenance Information
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90 Day or 150 Hour Maintenance
(Trained Service Technician)
COMPONENTS SERVICE REQUIRED RECOMMENDED LUBRICANT OR
FURTHER INSTRUCTIONS
Daily maintenance Perform maintenance as per schedule
Preventive inspection
maintenance checklist
Perform inspection, complete form Retain copy of checklist
Placards & decals inspection Inspect using drawing and parts listing
in section 1 (repair parts)
Replace any missing or
unreadable decals/placards
Door hinges and latches Lubricate SAE 10W oil or spray lube
Tie rods Check pin keeper and condition
Steer cylinder ends Check pin keeper and condition
Batteries Check specific gravity 1.260/1.275 at 80° F.
Platform lift capacity Check if platform can lift maximum
load
Platform lift/lower speeds Check smooth operation and speeds
Hydraulic return filter Check condition Replace
Engine RPM Check for proper RPM Low = 1950rpm High = 3400rpm
Engine oil and oil filter Replace per engine manufacturer’s
interval
See engine manufacturer’s
owners manual
Engine fuel filter Check condition Replace every 6 months or if dirty
Slide pads Check condition
Scissor arm bearings Check condition
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Yearly or 500 Hour Maintenance
(Trained Service Technician)
COMPONENTS SERVICE REQUIRED RECOMMENDED LUBRICANT OR
FURTHER INSTRUCTIONS
90 day or 150 hour maintenance Perform maintenance per schedule
Hydraulic oil reservoir Clean and replace fluid Shell Tellus 32 or similar
Hydraulic return filter Replace After 1st. 50 hours, thereafter
at recommended interval
Hydraulic pressures Check pressures
Platform controller Check operation
Base controls Check operation
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